54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
/*
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* @brief Defines and implements functions to get mathematical helper functions
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* @file helper/Math.h
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* @author Sven Czarnian <devel@svcz.de>
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* @copyright Copyright 2020-2021 Sven Czarnian
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* @license This project is published under the GNU General Public License v3 (GPLv3)
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*/
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#pragma once
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#define _USE_MATH_DEFINES
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#include <math.h>
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namespace aman {
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/**
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* @brief Contains helper functions to get numerical stability in the functions
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* @ingroup helper
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*/
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class Math {
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public:
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Math(const Math& other) = delete;
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Math(Math&& other) = delete;
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Math& operator=(const Math& other) = delete;
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Math& operator=(Math&& other) = delete;
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/**
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* @brief Compares two floating point numbers if they are almost equal
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* @param[in] value0 The first floating point number
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* @param[in] value1 The second floating point number
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* @param[in] threshold The threshold which defines both numbers as almost equal
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* @return True if the difference between value0 and value1 is smaller than the threshold, else false
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*/
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static __inline bool almostEqual(float value0, float value1, float threshold = 1e-4) noexcept {
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return std::abs(value0 - value1) <= threshold;
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}
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/**
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* @brief Converts a degree value into a radian value
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* @param[in] degree The degree value
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* @return The radian value
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*/
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static constexpr __inline float deg2rad(float degree) noexcept {
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return degree * static_cast<float>(M_PI) / 180.0f;
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}
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/**
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* @brief Converts a radian value into a degree value
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* @param[in] radian The degree value
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* @return The degree value
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*/
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static constexpr __inline float rad2deg(float radian) noexcept {
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return radian * 180.0f / static_cast<float>(M_PI);
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}
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};
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}
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